Why is Picnic a subscription service? Sophie March 01, 2021 21:54 Updated Picnic is a subscription service because we want to ensure you never run out of your allergy treatment when you need it. Get started here! Related articles How do I adjust or modify my Picnic subscription? How does Picnic work? What is the Picnic Refund & Return Policy? How long does it take for my doctor to complete my allergy consultation? What is Picnic? Comments 0 comments Article is closed for comments.